A small satellite is revolving near earth's surface. Its orbital velocity will be nearly......... $km/sec$
A small satellite is revolving near earth's surface. Its orbital velocity will be nearly......... $km/sec$
$8$
$11.2$
$4$
$6$
A small satellite is revolving near earth's surface. Its orbital velocity will be nearly......... $km/sec$
The orbital velocity of satellite near the earth surface is
$v_{0}=\sqrt{g R_{e}}$
$g=9.8 m / \sec ^{2}, R_{e}=6.4 \times 10^{6} \mathrm{metre}$
$\Rightarrow v_{0}=7.92 \times 10^{3} \mathrm{m} / \mathrm{sec}=7.92 \mathrm{km} / \mathrm{sec}=8 \mathrm{km} / \mathrm{sec}$
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